Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2016-6431

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
27/10/2016
Last modified:
12/04/2025

Description

A vulnerability in the local Certificate Authority (CA) feature of Cisco ASA Software before 9.6(1.5) could allow an unauthenticated, remote attacker to cause a reload of the affected system. The vulnerability is due to improper handling of crafted packets during the enrollment operation. An attacker could exploit this vulnerability by sending a crafted enrollment request to the affected system. An exploit could allow the attacker to cause the reload of the affected system. Note: Only HTTPS packets directed to the Cisco ASA interface, where the local CA is allowing user enrollment, can be used to trigger this vulnerability. This vulnerability affects systems configured in routed firewall mode and in single or multiple context mode.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.10
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.2.11:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.2.15:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.3.6:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.3.12:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.3.19:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.4.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.4.9:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.4.16:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.4.23:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.4.25:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.4.28:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.4.31:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.4.32:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools